參數(shù)資料
型號: μPD30181
廠商: NEC Corp.
英文描述: 64-Bit RISC Microprosessor(64位RISC微處理器)
中文描述: 64位RISC Microprosessor(64位的RISC微處理器)
文件頁數(shù): 21/68頁
文件大?。?/td> 270K
代理商: ΜPD30181
21
μ
PD30700,30700L,30710
Table 2-1. CP0 Register List
No.
Register
Description
0
Index
TLB entry programmable pointer
1
Random
TLB entry random pointer
2
Entry Lo0
Second half of TLB entry for even number VPN
3
Entry Lo1
Second half of TLB entry for odd number VPN
4
Context
Pointer to virtual PTE table of kernel in 32-bit mode
5
Page mask
TLB page mask
6
Wired
Number of wired TLB entries
7
RFU (Reserved for Future Use)
8
BadVAddr
Virtual address at which last error has occurred
9
Count
Timer count
10
Entry Hi
First half of TLB entry (including VPN and ASID)
11
Compare
Timer comparison
12
Status
Status register
13
Cause
Cause of last exception
14
EPC
Exception program counter
15
PRld
Processor revision identifier
16
Config
Configuration register
17
LLAddr
Address of LL instruction
18
Watch Lo
Low-order bits of memory reference trap address
19
Watch Hi
High-order bits of memory reference trap address
20
X context
Pointer to virtual PTE table of kernel in 64-bit mode
21
Frame mask
Bit mask of entry Lo register
22
Diagnosis
Branch diagnosis
23, 24
RFU
25
PC
Performance counter
26
ECC
ECC of secondary cache and parity of primary cache
27
Cache error
Index of cache error and status field
28
Tag Lo
Cache tag register, low-order
29
Tag Hi
Cache tag register, high-order
30
Error EPC
Error exception program counter
31
RFU
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